Holley NH Needle Valve Thread Tap

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Model T Ford Forum: Forum 2015: Holley NH Needle Valve Thread Tap
Top of pagePrevious messageNext messageBottom of page Link to this message  By James A. Golden on Friday, March 27, 2015 - 03:39 pm:

The MTFCA Carburetor Book does not seem to mention the size for a Holley NH Needle Valve Thread Tap.

Measurement wise the threads appear to be a 14-32, but might be a 1/4-32.

Does anyone know for sure the Needle Valve Thread size or where to get a tap?


Top of pagePrevious messageNext messageBottom of page Link to this message  By Mark Strange - Hillsboro, MO on Friday, March 27, 2015 - 03:54 pm:

Here's a 2010 thread that talks about NH thread sizes:

http://www.mtfca.com/discus/messages/118802/144441.html?1276002092


Top of pagePrevious messageNext messageBottom of page Link to this message  By James A. Golden on Friday, March 27, 2015 - 06:01 pm:

Thanks Mark!

That is everything I needed to know and I did not know who to ask.


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